(A dual distribution system is one where pipes carrying reclaimed water are separate from those carrying potable water.) In existence since the 1970s, this network provides reclaimed water to residences, golf courses, parks, schools, and commercial areas for landscape irrigation, and to commercial and industrial customers for cooling and other applications.
The superhero is often called a unique American phenomenon. Inspired by comic books, particularly the Superman series in the early 1930s, superheroes with superhuman strength and a desire to save the world became the stuff of many a childâs, and also numerous adultsâ dreams and fantasies.
Superhero movies have become blockbuster staples for theaters since the beginning of the 21st century. Iron Man is a well known Marvel superhero. Batman is a comic book superhero created in 1939 who later appeared in television shows, cartoons and movies. Superheroes are often role models for children.